1. General Description

2. Model Code Explanation

• MAS51A: MOVITRAC 51A inverter series

• 005: Power rating: 0.55 kW

• 503: Three-phase input, 380–500 V AC power supply

3. Technical Specifications

Electrical Parameters

• Input: 3 × AC 380–500 V, 50/60 Hz

• Rated input current: 1.6 A

• Output: 3 × AC 0–500 V, 0–599 Hz

• Rated output current: 1.8 A

• Rated motor power: 0.55 kW

• Control modes: V/f control, vector control

• Overload capacity: 150% rated current for 60 seconds

Mechanical & Environmental

• Protection class: IP20 (cabinet mounting)

• Cooling: Natural air cooling

• Ambient operating temperature: 0 °C ~ +45 °C

• Mounting: Standard wall/panel mounting inside control cabinet

4. Key Features

1. Miniature and space-saving structure for compact cabinet layout

2. Complete built-in protection: overcurrent, overvoltage, undervoltage, overtemperature and motor overload protection

3. Simple parameter configuration, easy on-site commissioning

4. Stable operation for continuous-duty applications

5. Good EMC performance, compatible with standard peripheral filters and reactors

5. Compatibility & Applications

• Matches 0.55 kW three-phase asynchronous motors

• Typical usage: small conveyors, ventilation fans, water pumps, light-duty processing machinery

• Compatible with SEW HF series sine-wave output filters and HF series input chokes

6. Product Status